28703205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 53352000

約数和(自身を除く): 24648795

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 531, 569, 855, 885, 1121, 1707, 2655, 2845, 3363, 5121, 5605, 8535, 10089, 10811, 16815, 25605, 32433, 33571, 50445, 54055, 97299, 100713, 162165, 167855, 302139, 486495, 503565, 637849, 1510695, 1913547, 3189245, 5740641, 9567735, 28703205]

約数ペア:

[(1, 28703205), (3, 9567735), (5, 5740641), (9, 3189245), (15, 1913547), (19, 1510695), (45, 637849), (57, 503565), (59, 486495), (95, 302139), (171, 167855), (177, 162165), (285, 100713), (295, 97299), (531, 54055), (569, 50445), (855, 33571), (885, 32433), (1121, 25605), (1707, 16815), (2655, 10811), (2845, 10089), (3363, 8535), (5121, 5605)]